General

  • Target

    0c8c53fc87610174bd8d304940ed84dd.exe

  • Size

    2.6MB

  • Sample

    250126-q7hwpatrhr

  • MD5

    0c8c53fc87610174bd8d304940ed84dd

  • SHA1

    e049d2b70beec23414f252d3aab26f179e1573bc

  • SHA256

    eee98aabaf632f6d85b08f40401058696980c57a60bbf57ffae069e6ee1b827c

  • SHA512

    7150b0f65b6bb01d8be8d36a49c08239950384aa4382bda387b8de733f3f4f0db9eabf148e85b9b11efaf60761be703a6c28fdfdc6df87b03db6fb96acc4380e

  • SSDEEP

    49152:b+PPOOZeF0a/ICoVrIdEXZe1pVhZ88hfOKx/13ZvTIqab7SNudXjdTF:HOk0axoVrIuXytKtKTrROJF

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

bild

C2

147.45.44.184:4782

Mutex

c3e182b5-304a-49a7-85b2-6d514cf6f590

Attributes
  • encryption_key

    7248469493201CDB45E041FBAB664BCC303EC021

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      0c8c53fc87610174bd8d304940ed84dd.exe

    • Size

      2.6MB

    • MD5

      0c8c53fc87610174bd8d304940ed84dd

    • SHA1

      e049d2b70beec23414f252d3aab26f179e1573bc

    • SHA256

      eee98aabaf632f6d85b08f40401058696980c57a60bbf57ffae069e6ee1b827c

    • SHA512

      7150b0f65b6bb01d8be8d36a49c08239950384aa4382bda387b8de733f3f4f0db9eabf148e85b9b11efaf60761be703a6c28fdfdc6df87b03db6fb96acc4380e

    • SSDEEP

      49152:b+PPOOZeF0a/ICoVrIdEXZe1pVhZ88hfOKx/13ZvTIqab7SNudXjdTF:HOk0axoVrIuXytKtKTrROJF

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to execute payload.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks